Understanding strategic beta

June 1, 2018

Alternative beta, smart beta, and strategic beta: While some of the language used to describe its essence may be relatively new, the idea behind these roughly synonymous terms has roots dating back decades.

Countering this embedded bias is a varied and growing group of rules-based, or strategic beta, investment approaches, many of which track alternatively weighted indexes.

Leveraging goals of both active and passive management, strategic beta may be an attractive alternative for investors seeking inexpensive, diversified equity exposure with market-beating potential.

Part of a broader trend toward rules-based investing that can seek a premium (or more than one premium for multifactor approaches) over cap-weighted indexes, strategic beta has enjoyed growing attention in recent years. Investors have been drawn to strategic beta’s cost, style purity, tax efficiency, transparency, and potential trading advantages—particularly when embedded within an exchange-traded fund (ETF)—benefits that can complement other allocations within a portfolio. However, not all methodologies are conceived, structured, or implemented equally. Just as any potential investment deserves diligent assessment, it’s important to examine the range of objectives, expected return drivers, and potential risks across the spectrum of strategic beta offerings in order to find the right fit for your asset allocation program.

"Structuring and implementing a rules-based strategy that alters the traditional market-cap- weighting scheme can be a goal well worth pursuing."

What is strategic beta?

Strategic beta—along with alternative beta, multifactor investing, smart beta, fundamental indexing, and a few other related phrases—broadly refers to a diverse and growing category of rules-based approaches to investing in various markets. Often, the methodologies behind strategic beta portfolios are designed to screen an investment universe for securities with certain specified characteristics that are believed to offer the opportunity for better returns, less (or sometimes more) risk, or some other desired attribute, such as income generation. So far, universal consensus on the most appropriate term, not to mention its precise definition, has proved elusive. For the purposes of this discussion, we define strategic beta as a rules-based index approach that deviates from market capitalization weights.

The benefits of strategic beta include outperformance potential at a lower cost

Traditional cap-weighted index-tracking funds have provided investors with expedient and low-cost access to broad market exposure for more than 40 years. While their virtues are significant, these passive funds aren’t as intrinsically neutral as they might seem on the surface.

By definition, market cap weighting, the methodology used by the S&P 500 Index and many other traditional benchmarks, places greater emphasis on shares of larger, more expensive companies, which can produce unintended risk concentrations at particularly inopportune times. These indexes inherently neglect the equity of smaller, potentially more promising firms in favor of larger-cap companies that have already experienced significant growth. Moreover, as they are instruments designed to mimic the market rather than to beat it, investors in passive cap-weighted index-tracking funds forfeit the potential of realizing relative outperformance.

Active management, on the other hand, does allow for outperformance potential, but it’s generally more costly to implement than passive exposure, and not all active managers have provided investors with benefits commensurate with the price.

By attempting to sidestep the drawbacks of cap-weighted indexing and active management, strategic beta aspires to offer investors the best of both approaches—the potential for outperformance by emphasizing specific segments of the market, on the one hand, and the low cost and transparency of a rules-based indexing approach, on the other hand.

“… as they are instruments designed to mimic the market rather than to beat it, investors in passive cap-weighted index-tracking funds forfeit the potential of realizing relative outperformance.”

The size of the strategic beta market is growing

According to Morningstar, $710 billion was invested in strategic beta ETFs as of December 31, 2017. With over 700 strategic beta ETFs on offer today, they now account for 21% of all ETF assets, up from 14% in 2010. A 2017 ETF.com and Brown Brothers Harriman survey of financial advisors revealed that 97% of respondents plan to maintain or increase their exposure to strategic beta in the next year. More advisors and investors are coming to appreciate the value of incorporating strategic beta into investment portfolios. ETFs, well suited to systematic and transparent approaches, represent the primary vehicle for strategic beta implementation.

From single factor to multifactor approaches, variants abound

By any definition, strategic beta is a broad category that allows room for many variations on the alternative indexing theme, and investors seem to be using them to pursue a variety of investment objectives.

According to a recent FTSE Russell survey, U.S. advisors who use strategic beta appear equally likely to employ these strategies to provide alpha, improve diversification, or provide downside protection. Reasons for using strategic beta vary by country, as well, as the study revealed that U.K. and Canadian advisors most frequently use strategic beta to improve diversification and increase yield.1

To bring greater order to the study and evaluation of these approaches, Morningstar groups strategic beta investments into three major categories—return oriented, risk oriented, and other—with a range of secondary attributes falling under each.

Return-oriented strategies

Morningstar defines return-oriented strategic beta investments as those that seek to improve returns relative to standard core benchmarks, and includes value- and growth-based indexes in this category. Strategies following dividend-weighted methodologies also fall into this group. In essence, a return-oriented strategy aims to capture a specific factor or source of expected return by emphasizing securities with a particular trait. There are also return-oriented variations known as multifactor approaches that, at the portfolio level, pursue more than one type of premium—a concept we’ll explore in further detail before the end of this paper.

“There are also return-oriented variations known as multifactor approaches that, at the portfolio level, pursue more than one type of premium.”

Fundamental weighting, an example of a return-oriented strategy

Fundamentally weighted strategies, which fall under the return-oriented strategies banner, seek to weight securities by a company’s economic influence, measured through variables such as book equity, sales, cash flows, and dividends.

Fundamental indexers break the link between a stock’s market capitalization and its weight in a portfolio. The pioneers of this methodology pursued it out of “concern that market capitalization is a particularly volatile way to measure a company’s size or its true fair value,” and results of their published research found fundamental indexing delivered “consistent, significant benefits relative to standard cap weighted indexes.”2

Fundamental weighting enthusiasts argue that a portfolio that uses fundamental variables rather than market prices to weight securities has the potential for higher average returns.

Risk-oriented strategies

Continuing with Morningstar’s strategic beta classifications, risk-oriented strategies aim to alter the level of portfolio risk relative to a standard benchmark. Two of the most common examples pursue opposite objectives: Low volatility strategies aim to pare back a portfolio’s level of market risk and high beta strategies deliberately seek to dial the risk level up.

Low volatility, an example of a risk-oriented strategy

Low volatility strategies select and weight their holdings based upon historical volatility, endeavoring to generate better risk-adjusted returns than the market. Stocks that have demonstrated more price stability in the past are favored over those that have experienced greater fluctuations.

These types of approaches can be beneficial in dialing the level of equity risk in a portfolio up or down, and for that reason have an obvious appeal. But like any other investment approach, there are unknowns involved. For example, tactical over- or underweights to beta are essentially market calls, with lower volatility being preferable in down markets and higher exposure to risk being desirable during market rallies. As history shows, anticipating inflection points in the equity markets is virtually impossible.

As for employing these types of investments as long-term strategic allocations, other challenges remain. One example can be found in the relatively high valuations of many dividend-paying stocks today. This segment of the market has traditionally been viewed as defensive, and therefore less volatile than the market as a whole. And while that may continue to be true over long stretches of time, investors need to be wary of how a passively constructed low beta strategy invests. An overweight allocation to an overpriced sector is unlikely to produce the kind of results investors are looking for.

Other strategies

Following the return-oriented strategy and risk-oriented strategy categories, Morningstar’s final strategic beta attribute group encompasses a variety of approaches, ranging from nontraditional commodity benchmarks to multi-asset indexes and equal-weighted strategies.

Equal weighting, an example of other strategies

Incorporating perhaps the simplest of strategic beta methodologies, an equal-weighted approach assigns a uniform weight to its constituent holdings without regard to price, underlying fundamentals, or anything else; no one security is emphasized more than another.

Its advocates argue that, by breaking the connection between price and position size, equal-weighted approaches avoid a structural overweight to overvalued securities. Supporters of equal-weighted indexing also point out that, because the approach requires frequent rebalancing, there’s a buy-low-and-sell-high discipline embedded in the methodology.

The drawbacks of equal-weighted strategies can include unintended factor concentrations, arbitrarily driven by the number of securities that happen to be listed under a particular sector, industry, or country. Moreover, in assigning the smallest stock the same position size as the largest stock, an equal-weighted portfolio’s risk profile is radically different from the broader market. Another consideration for potential investors is that the frequent rebalancing needed to maintain an equally weighted portfolio drives up its transaction costs.

Multifactor investing in context

Representing a vigorous form of return-oriented strategic beta investing, multifactor approaches pursue more than one type of premium rather than relying exclusively on a single factor. While single factor approaches account for more than 90% of strategic beta assets, multifactor ETF assets have more than doubled since 2013, and they hold almost $60 billion in assets across 245 different funds today.3 While this represents only 8% of the strategic beta ETF market, multifactor approaches are growing quickly, and they have more relevance as core long-term portfolio holdings.

“Multifactor ETFs help diversify the risk of having concentrated exposure to a single factor at the wrong time.”

Deliberately combining multiple complementary factors into one ETF can be a more comprehensive and consistent method of investing than choosing among a sea of single factor approaches, some of which may generate overlapping exposures with the others. While any given factor may lead the others at any one time, knowing exactly when a factor will outperform is virtually impossible to forecast. Multifactor ETFs help diversify the risk of having concentrated exposure to a single factor at the wrong time.

Of course, an eye toward balance and parsimony count in constructing multifactor portfolios. More factors aren’t necessarily better than fewer factors, and, when taken to the extreme, multifactor models can quickly become unwieldy. A degree of restraint can be a virtue in multifactor investing. What’s important is understanding the specific purpose of each factor in the portfolio and how those factors interact with one another in different market environments.

Incorporating strategic beta into your portfolio

Many strategic beta investment approaches, particularly those of the multifactor variety, can be viable candidates to either replace or complement a portfolio’s core equity exposures. For those investors who rely on active management exclusively, incorporating some strategic beta into an investment program may provide a route for reducing overall management fees. For devoted market-cap-weighted indexers, introducing strategic beta into a portfolio’s mix can also introduce the potential for outperformance. Finally, for those investors already blending active and passive allocations, strategic beta can provide yet another tool to fine-tune the potential for outperformance while remaining cognizant of its incremental expenses.

Multifactor approaches can often serve as a replacement for core exposure, but single-factor strategies typically address more limited objectives within a portfolio. Just as some investors tilt toward different equity sectors at different points in the market cycle, they can also rotate their portfolios’ exposures to factors such as value, momentum, or quality.

Regardless of how it’s implemented, strategic beta deliberately attempts to emphasize specific characteristics—either in isolation or through multifactor combinations—that are more likely to be rewarded.

Compensation for bearing certain investment risks has historically been better than that for bearing others. Not all strategic beta approaches are conceived, structured, or implemented equally. Just as any potential investment deserves diligent assessment, the strategic beta buyer would be wise to examine the range of different objectives, expected return drivers, potential risks, and implementation methods in the marketplace before selecting the best fit.

Predicted active risk represents the expected divergence between the price behavior of a fund and the price behavior of the market as a whole.

Diversification does not guarantee a profit or eliminate the risk of a loss.

Investing involves risks, including the potential loss of principal. There is no guarantee that a fund’s investment strategies will be successful. Large company stocks could fall out of favor. The stock prices of midsize and small companies can change more frequently and dramatically than those of large companies, and value stocks may decline in price. A portfolio concentrated in one industry or sector or that holds a limited number of securities may fluctuate more than a diversified portfolio. Shares may trade at a premium or discount to their NAV in the secondary market, and a fund’s holdings and returns may deviate from those of its index. These variations may be greater when markets are volatile or subject to unusual conditions. Errors in the construction or calculation of a fund’s index may occur from time to time. Please see the funds’ prospectuses for additional risks.

John Hancock Multifactor ETF shares are bought and sold at market price (not NAV), and are not individually redeemed from the fund. Brokerage commissions will reduce returns.

Dimensional Fund Advisors LP receives compensation from John Hancock in connection with licensing rights to the John Hancock Dimensional indexes. Neither John Hancock Advisers, LLC nor Dimensional Fund Advisors LP guarantees the accuracy and/or completeness of an index (each an underlying index) or any data included therein, and neither John Hancock Advisers, LLC nor Dimensional Fund Advisors LP shall have any liability for any errors, omissions, or interruptions therein. Neither John Hancock Advisers, LLC nor Dimensional Fund Advisors LP makes any warranty, express or implied, as to results to be obtained by a fund, owners of the shares of a fund, or any other person or entity from the use of an underlying index, trading based on an underlying index, or any data included therein, either in connection with a fund or for any other use. Neither John Hancock Advisers, LLC nor Dimensional Fund Advisors LP makes any express or implied warranties, and expressly disclaims all warranties, of merchantability or fitness for a particular purpose or use with respect to an underlying index or any data included therein. Without limiting any of the foregoing, in no event shall either John Hancock Advisers, LLC or Dimensional Fund Advisors LP have any liability for any special, punitive, direct, indirect, or consequential damages, including lost profits, arising out of matters relating to the use of an underlying index, even if notified of the possibility of such damages. Dimensional Fund Advisors LP does not sponsor, endorse, or sell, and makes no representation as to the advisability of investing in John Hancock Multifactor ETFs.

The debate over whether investors should use active or passive strategies in their portfolios has generated many opinions but few definitive conclusions—until now. See what our research revealed.
Read more

Leo M. Zerilli, CIMA

John Hancock Investments

Global Head of Investment Product

Leo is responsible for investment product across the retail, institutional, and retirement businesse…

The debate over whether investors should use active or passive strategies in their portfolios has generated many opinions but few definitive conclusions—until now. See what our research revealed.
Read more

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